There are 437 Event Planning Services in Cook County, Illinois, serving a population of 5,238,541 people in an area of 946 square miles. There is 1 Event Planning Service per 11,987 people, and 1 Event Planning Service per 2 square miles.
In Illinois, Cook County is ranked 23rd of 102 counties in Event Planning Services per capita, and 1st of 102 counties in Event Planning Services per square mile.